[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] dom0-min-mem=0 and enable-dom0-ballooning
Normally I configure my own servers such that the dom0 boots with a fixed amount of ram (dom_mem on the xen command line) then I set dom0-min-mem to the same value as dom0_mem, thus disabling ballooning. the other day I was documenting this and looking at other ways to do the same thing. I noticed something odd. In newer versions of Xen, (enable-dom0-ballooning no) will disable ballooning. But that is only respected in newer versions of Xen. Before the enable-dom0-ballooning option was enabled, setting dom0-min-mem to 0 would disable ballooning. After the enable-dom0-ballooning setting was added, though, setting dom0-min-mem to 0 would actually set the minimum to zero. This seems dangerous to me, as I can't think of any time where I'd really want to let the dom0 balloon to 0, and it's pretty easy to make the mistake of setting dom0-min-mem to 0 if you come across older documentation. I would suggest changing xen so that dom0-min-mem 0 disabled ballooning as it did before. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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